Scarlett Johansson and Matthew McConaughey in Dolce & Gabbana ad: Sexiest celeb endorsement?

Matthew McConaughey and Scarlett Johansson are Hollywood's hottest new couple... at least, as far as Dolce & Gabbana is concerned. The two A-list actors were on set in New York over the weekend, shooting a TV commercial for the popular Italian fashion house.

SODAHEAD SLIDESHOW: Sexiest celebrity endorsements

Both Johansson and McConaughey were dressed to kill on set, with the "Lost in Translation" actress wearing a beautiful black lace dress and black sling-back shoes while the "Dazed and Confused" star looked sharp in a dark suit.

But this isn't the first time stars have gone above and beyond for endorsement deals. Beyonce and Sofia Vergara have both sizzled in Pepsi ads, Jennifer Lawrence landed the tough job of being the fresh new face of Dior, and Brad Pitt is all about those cheesy Chanel No. 5 commercials. You know which ones we're talking about.

Sexy celebrity endorsements are everywhere, but it's up to you to decide which star has landed the hottest deal. From Scarlett Johansson and Matthew McConaughey to Beyonce to Brad Pitt, which celeb has the sexiest endorsement?